WATER ABSORBING RESIN PARTICLES, ABSORBENT ARTICLE, METHOD FOR MANUFACTURING WATER ABSORBING RESIN PARTICLES, METHOD FOR FACILITATING PERMEATION OF PHYSIOLOGICAL SALINE SOLUTION INTO ABSORBENT BODY

摘要

Water-absorbent resin particles in which a gel outflow proportion is 0% to 20% are disclosed. The gel outflow proportion is measured by a method including: measuring a mass W (g) of 20 g of a swollen gel flowed out from a through hole of a disc while the swollen gel is compressed by a weight of 2000 g for 30 seconds, where the swollen gel is formed by allowing the water-absorbent resin particles to absorb physiological saline; and calculating the gel outflow proportion (%) by the following formula.